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MicRadar R24BBD1 Manual

24g milimeter wave bio-sensing radar
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24GMilimeterwave
wave
Bio-sensing radar
R24BBD1-Respiratory sleep radar
Datasheet（Ver.2.0）
Micradar Technology (Shenzhen) Co. LTD.

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Summary of Contents for MicRadar R24BBD1

  • Page 1 24GMilimeterwave wave Bio-sensing radar R24BBD1-Respiratory sleep radar Datasheet（Ver.2.0） Micradar Technology (Shenzhen) Co. LTD.
  • Page 2 R24BBD1-Respiratory sleep radar Content 1. Working principle ........................3 2. Hardware Design Considerations ..................3 2.1. The power supply can refer to the following circuit design ....3 2.2. Using wiring diagram ....................4 3. Layout requirements for antenna and housing .............. 5 4.
  • Page 3 R24BBD1-Respiratory sleep radar Overview This document mainly describes the use of the radar, the problems that need to be paid attention to at each stage, reduce the design cost and increase the stability of the product as much as possible,...
  • Page 4 R24BBD1-Respiratory sleep radar Working principle The radar transmits millimeter wave signals in the 24G frequency band, and the measured target reflects the electromagnetic wave signal, and demodulates the transmitted signal,and then processes it through amplification, filtering, and ADC to obtain echo demodulated signal data.
  • Page 5 R24BBD1-Respiratory sleep radar figure 1 figure 2 Use wiring diagrams 2.2. R24BBD1 Figure 3 Schematic diagram of the connection between the radar module and the peripherals TEL:0755-88602663 hannah@micradar.cn www.micradar.net 501, West Block, Phase II, Tian 'an Innovation Technology Plaza, Futian District, Shenzhe...
  • Page 6 R24BBD1-Respiratory sleep radar Layout Requirements for Antenna and Housing PCBA: Need to keep the height of the radar patch ≥ 1mm than other devices Shell structure: It is necessary to maintain a distance of 2 - 5mm between the radar antenna surface and the shell surface...
  • Page 7 R24BBD1-Respiratory sleep radar Adjustment method: reduce radar sensitivity, radar provides scene settings B. Below the radar is the air conditioner in operation, the fan Adjustment method: adjust the radar position, do not directly face the air conditioner,fan C. Object shaking caused by air-conditioning wind...
  • Page 8 R24BBD1-Respiratory sleep radar D. Radar sensitivity too low Radar provides parameter adjustment to increase sensitivity improvement. Detailed function Function point description 6.1. function points State change time/function explanation DP1: Someone/Nobody No one to someone, report within 0.5s From someone to no one, the unmanned state is output in...
  • Page 9 R24BBD1-Respiratory sleep radar signal/abnormal movement) When breathing is normal, the report signal is normal Report no signal when no one is in the state Report motion abnormality when exercising DP10: Sleep switch Control whether the sleep state data is output...
  • Page 10 R24BBD1-Respiratory sleep radar Frame structure definition and description 8.1. A, frame structure definition start Data length function address address data check code code code code 1 code 2 0X55 Lenth_L Lenth_H Command Address_1 Address_2 Data Crc16_L Crc16_H 1 Byte 1 Byte...
  • Page 11 R24BBD1-Respiratory sleep radar 0x03 parameters 0x06 Threshold gear 0x0C System scene setting 0x10 parameter query Force into 0x04 unmanned stall 0X12 Inquire Sleep detection Current sleep parameter switch detection switch Other 0X0D state information inquiries Inquire Respiratory 0X05 Current breathing...
  • Page 12 R24BBD1-Respiratory sleep radar 0x00 10s 0X01 30s 0X02 1min 0X03 2min 0X04 5min 0X05 10min 0X06 30min 0X07 60min 0X08 restart 0x04 Sleep function off 0x00 switch open 0x01 0x0D Respiratory off 0x00 parameter switch open 0x01 0x10 4byte integer data...
  • Page 13 R24BBD1-Respiratory sleep radar 24G biological perception radar interface content Unmanned state 00 FF FF Environment Someone is still 01 00 FF Report radar Status 0x05 Passive information report Someone sports 01 01 01 0X03 command 0x03 Physical 4 Byte Float data...
  • Page 14 R24BBD1-Respiratory sleep radar 0X08 Feedback OTA transmission Fixed character 0X0F 0X09 24G biological perception radar interface content Unmanned state 00 FF Environment Status Someone is still 01 00 0x05 Someone sports 01 01 Movement sign Report radar 4 Byte Float data...
  • Page 15 R24BBD1-Respiratory sleep radar stands for radar Initialization successful start normal operation 24G biological perception radar interface content Respiratory rate 1Byte integer data 0x01 Abnormal suffocation 0x01 no 0x02 normal 0x03 When the movement of the National People's Congress Breathing occurs, it will...
  • Page 16 R24BBD1-Respiratory sleep radar When the sleep no 0x02 switch is off, it shows no awake 0x00 light sleep 0x01 sleep status deep sleep 0x02 assessment 0x08 When the sleep no 0x03 switch is off, it shows no Awake time 0x01...
  • Page 17 R24BBD1-Respiratory sleep radar appendix 1: CRC check code reference parsing code const unsigned char cuc_CRCHi[256]= 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41,...
  • Page 18 R24BBD1-Respiratory sleep radar 0x6C, 0xAC, 0xAD, 0x6D, 0xAF, 0x6F, 0x6E, 0xAE, 0xAA, 0x6A, 0x6B, 0xAB, 0x69, 0xA9, 0xA8, 0x68, 0x78, 0xB8, 0xB9, 0x79, 0xBB, 0x7B, 0x7A, 0xBA, 0xBE, 0x7E, 0x7F, 0xBF, 0x7D, 0xBD, 0xBC, 0x7C, 0xB4, 0x74, 0x75, 0xB5, 0x77, 0xB7, 0xB6,...
  • Page 19 R24BBD1-Respiratory sleep radar Appendix 2: Motion Sign Parameter Parsing Code typedef union unsigned char Byte[4]; float Float; }Float_Byte; void main() Float_Byte fb; fb.Byte[0] = 0x9A; fb.Byte[1] = 0xFB; fb.Byte[2] = 0xE7; fb.Byte[3] = 0x3F; printf("%f\r\n",fb.Float); TEL:0755-88602663 hannah@micradar.cn www.micradar.net 501, West Block, Phase II, Tian 'an Innovation Technology Plaza, Futian District, Shenzhe...
  • Page 20 R24BBD1-Respiratory sleep radar Historical version update instructions Revision Release Data Summary V1.0_0212 2020/02/12 first draft V1.1_0319 2021/03/19 readjust increased V1.2_0628 2021/6/28 Human body sensitivity gear description Human Sensitivity changed from 0-9 to V1.3_0906 2021/9/06 1-10 Added initialization success command V1.5_0210...